Finding the Fourth Proportional to 64,983.50, 89,677.50 and 35,175.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,983.50 : 89,677.50 = 35,175.50 : x
2. Step 2: Convert to fraction form
   64,983.50/89,677.50 = 35,175.50/x
3. Step 3: Cross multiply
   64,983.50x = 89,677.50 × 35,175.50
4. Step 4: Simplify right side
   64,983.50x = 3,154,450,901.25
5. Step 5: Solve for x
   x = 3,154,450,901.25/64,983.50
6. Step 6: Final answer
   x = 48,542.34